摘要: Little Joey invented a scrabble machine that he called Euler, after the great mathematician. In his primary school Joey heard about the nice story of 阅读全文
posted @ 2013-08-28 20:26 1002liu 阅读(301) 评论(0) 推荐(0)
摘要: Morley’s theorem states that that the lines trisecting the angles of an arbitrary plane triangle meet at the vertices of an equilateral triangle. For 阅读全文
posted @ 2013-08-28 19:15 1002liu 阅读(194) 评论(0) 推荐(0)